Periodontal

ligament

Definition

Development

• Cells

• Synthetic cells

• Osteoblasts

• Fibroblasts

• Cementoblasts

• Resorptive cells

• Osteoclasts

• Fibroclasts

• Cementoclasts

Progenitor cells

Epithelial rests of Malassez

Epithelial Rests of Malassez

Mast cells

Macrophages

• Extra cellular substance

• Fibers

• Collagen

• Oxytalan

• Ground substance

• Interstitial tissues

Periodontal Ligament

Transseptal Fibers

Alveolar Crest Fibers

Horizontal Fibers

Oblique Fibers

Apical Fibers

InterradicularFibers

Oxytalan Fibers

Interstitial Areas

• Structures present in connective tissue

• Blood vessels

• Lymphatics

• Nerves

• Cementicles

Free Cementicle

• Functions

• Supportive

• Sensory

• Nutritive

• Homeostatic

Clinical Consideration